:root {
            --upes-blue: #0056a6;
            --upes-gold: #ffb81c;
            --upes-dark: #1a2b4d;
            --upes-light: #f8f9fa;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--upes-dark);
        }
        a {
            text-decoration: none;
            color: var(--upes-blue);
            transition: var(--transition);
        }
        a:hover {
            color: var(--upes-gold);
        }
        .btn-primary {
            background-color: var(--upes-blue);
            border-color: var(--upes-blue);
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--upes-gold);
            border-color: var(--upes-gold);
            color: var(--upes-dark);
            transform: translateY(-3px);
        }
        .btn-outline-light {
            border-radius: 50px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .navbar {
            background-color: rgba(26, 43, 77, 0.95);
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: white !important;
        }
        .navbar-brand span {
            color: var(--upes-gold);
        }
        .nav-link {
            color: white !important;
            font-weight: 500;
            margin: 0 0.5rem;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--upes-gold) !important;
            border-bottom: 2px solid var(--upes-gold);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 86, 166, 0.85), rgba(26, 43, 77, 0.9)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 10rem 0;
            text-align: center;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--upes-gold);
            margin: 0.5rem auto 0;
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--upes-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin: 0 auto 1.5rem;
            transition: var(--transition);
        }
        .feature-item:hover .icon-box {
            background: var(--upes-gold);
            transform: rotate(15deg);
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            background: var(--upes-light);
            border-radius: 50px;
            border: 1px solid #dee2e6;
            transition: var(--transition);
            color: var(--upes-dark);
            font-weight: 500;
        }
        .flink:hover {
            background: var(--upes-blue);
            color: white;
            border-color: var(--upes-blue);
            transform: translateY(-3px);
        }
        footer {
            background: var(--upes-dark);
            color: white;
            padding: 4rem 0 2rem;
        }
        footer a {
            color: #ccc;
        }
        footer a:hover {
            color: var(--upes-gold);
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            margin-right: 0.75rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--upes-gold);
            color: var(--upes-dark);
            transform: translateY(-5px);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--upes-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--upes-gold);
            color: var(--upes-dark);
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 6rem 0;
            }
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .navbar-nav {
                text-align: center;
                background: rgba(26, 43, 77, 0.98);
                border-radius: 10px;
                padding: 1rem;
                margin-top: 1rem;
            }
        }